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dtors.c

by Michael L Powell last modified 2007-01-26 03:24

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/*ident	"@(#)cls4:Munch/dtors.c	1.3" */
/*******************************************************************************
 
C++ source for the C++ Language System, Release 3.0.  This product
is a new release of the original cfront developed in the computer
science research center of AT&T Bell Laboratories.

Copyright (c) 1993  UNIX System Laboratories, Inc.
Copyright (c) 1991, 1992 AT&T and UNIX System Laboratories, Inc.
Copyright (c) 1984, 1989, 1990 AT&T.  All Rights Reserved.

THIS IS UNPUBLISHED PROPRIETARY SOURCE CODE of AT&T and UNIX System
Laboratories, Inc.  The copyright notice above does not evidence
any actual or intended publication of such source code.

*******************************************************************************/
typedef void (*PFV)();

void __dtors()
{
	extern PFV _dtors[];
	static int ddone;
	if (ddone == 0) {	// once only
		ddone = 1;
		PFV* pf = _dtors;
		while (*pf) pf++;
		while (_dtors < pf) (**--pf)();
	}
}
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